CN101020849B - Environment protection additive for welding and cutting natural gas - Google Patents
Environment protection additive for welding and cutting natural gas Download PDFInfo
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- CN101020849B CN101020849B CN2007100674926A CN200710067492A CN101020849B CN 101020849 B CN101020849 B CN 101020849B CN 2007100674926 A CN2007100674926 A CN 2007100674926A CN 200710067492 A CN200710067492 A CN 200710067492A CN 101020849 B CN101020849 B CN 101020849B
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- natural gas
- platinum
- welding
- isoparaffin
- methyl
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Abstract
The green additive for welding and cutting natural gas consists of ethanol 5-10 wt%, 2-hexanol 5-10 wt%, 2-hexanone 5-10 wt%, limonene 10-15 wt%, organoplatinum 0.02-0.08 wt%, and C5-C7 isoalkane for the rest. It is liquid with high oil solubility, low boiling point and high solubility in natural gas, and may be added into liquid one gaseous natural gas in any ratio. It is non-toxic and environment friendly, and can raise the combustion temperature of natural gas greatly to 3450 deg.c. In addition, it can lower the use cost of natural gas obviously.
Description
Technical field
The present invention relates to a kind of additive, specifically refer to a kind of flame temperature, and make Sweet natural gas be used as the additive of cutting-welding gas with the raising Sweet natural gas.
Background technology
At present, in metal cutting, welding operation, in view of the acetylene poor safety performance, defectives such as energy consumption is big, price is high, contaminate environment, and replaced by oil liquefied gas or Sweet natural gas.Particularly Sweet natural gas not only because its price is lower than oil liquefied gas, and is not subjected to the safe limit of ventilation condition aspect, and comparatively ideal acetylene substitutes source of the gas especially.But because the calorific value of Sweet natural gas is lower, the flame temperature in oxygen only is 2538 ℃.In order to improve the natural gas burning temperature, people attempt to design various additives, as Chinese publication number be disclose in " a kind of perfect combustion catalyzer that improves natural gas flame temperature " of CN1923983A so a kind of mixture, this additive is mainly by methyl alcohol, p-Methylisopropylbenzene, N, N, configurations such as 1-trimethylammonium-1-phenyl boron amide, 1-methyl-4 propyl group hexalin, dimethylbenzene, glycol isopropyl ether, methyl-phenoxide, methyl n-butyl ether, tertbutyl peroxide form.Be the radical initiator disclosed in 200310110780.7 " being a kind of safety and environmental protection industry cutting-welding gas of main raw material with the Sweet natural gas " also just like China Patent No., this radical initiator is the title complex of organic alcohol or organic alcohol and butanone or the title complex of organic alcohol and dimethylbenzene, and organic alcohol is meant methyl alcohol and C
4-C
9The title complex of higher alcohols or methyl alcohol, ethanol and C
4-C
9Higher alcohols three's title complex.Adopt above-mentioned two kinds of additives, can improve the natural gas burning temperature significantly, make substitute gas acetylene become feasible operation.But in the past in the composition of two kinds of additives as can be known: because the former contains arene compounds, make perfect combustion catalyzer itself contain Toxic matter, therefore not environmental protection has caused healthy hidden danger to the operator, also is unfavorable for environment protection.And also contain arene compounds---dimethylbenzene in the wherein scheme of latter's radical initiator, and owing to contain the higher higher alcohols component of boiling point, cause the gasification of this liquid state radical initiator poor, so when mixing, need this radical initiator is heated into gas, also must adopt the gas phase mixing tank just can make Sweet natural gas and this radical initiator thorough mixing, and constantly flow.Obviously, make the welding and cutting natural gas complex process that contains this free initiator, use inconvenience, and influence applying of it.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, and a kind of safe in utilization, environmental protection and the welding and cutting natural gas additive good with the Sweet natural gas intermiscibility are provided.
The present invention solves the problems of the technologies described above first technical scheme that is adopted: this is used for the environment protection additive of welding and cutting natural gas, it is characterized in that: this additive is by ethanol, 2-hexanol, methyl-n-butyl ketone, limonene, organic platinum and C
5-C
7Forming one of at least in the isoparaffin, and the weight percent of each component is: ethanol 5%-10%, 2-hexanol 5%-10%, methyl-n-butyl ketone 5%-10%, limonene 10%-15%, organic platinum 0.02%-0.08%, all the other are C
5-C
7In the isoparaffin one of at least.
In such scheme, the preferable weight percent of described each component is: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, organic platinum 0.02%, the C of one of them at least
5-C
7Isoparaffin 65.98%.
The present invention solves the problems of the technologies described above second technical scheme that is adopted: this is used for the environment protection additive of welding and cutting natural gas, it is characterized in that: this additive is by ethanol, 2-hexanol, methyl-n-butyl ketone, limonene, organic platinum, tetramethylene sulfide and C
5-C
7Forming one of at least in the isoparaffin, and the weight percent of each component is: ethanol 5%-10%, 2-hexanol 5%-10%, methyl-n-butyl ketone 5%-10%, limonene 10%-15%, organic platinum 0.02%-0.08%, tetramethylene sulfide 0.5%-2%, all the other are C
5-C
7In the isoparaffin one of at least.
In this second technical scheme, the weight percent of each component is preferably: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, organic platinum 0.02%, tetramethylene sulfide 1%, the C of one of them at least
5-C
7Isoparaffin 64.98%.
In above-mentioned each technical scheme, described organic platinum can be for being selected from least a in four triphenylphosphine platinum, triphenylphosphine platinum chloride, diamino hexanaphthene RP-54780, dintrile phenyl platinum dichloride, Platinic chloride Virahol, quadrol platinum, the cyclooctadiene platinum.
Compared with prior art, owing to contain C5-C7 isoparaffin component among the present invention, the cut of this C5-C7 isoparaffin has increased intermiscibility, becomes the good organic liquid mixture body of a kind of oil soluble after making each component mix, and the boiling point of this liquid is low, easily gasification, have good intermiscibility with Sweet natural gas, therefore no matter be added in liquid phase or the gas phase Sweet natural gas, all need not to heat, also need not dispose mixing equipment, as long as directly inject according to quantity.This additive each component is nontoxic, and good environmental protection itself can be burnt, and has played free radical initiation, catalyzed oxidation, the poly-effect of resistance in Sweet natural gas, thereby has improved the natural gas burning flame temperature widely, makes its flame temperature reach as high as 3450 ℃.Moreover, in additive, made up the tetramethylene sulfide odorant, when operation, just need not other configuration, can simplify the equipment of cutting-welding gas like this, make operation convenient.Thereby the present invention can reduce the use cost of welding and cutting natural gas significantly, and is harmless to environment and operator again, so be worth applying in existing each corresponding occasion.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment 1: this additive is by ethanol, 2-hexanol, methyl-n-butyl ketone, limonene, organic platinum and C
5Isoparaffin is formed, and the weight percent of each component is: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, four triphenylphosphine platinum 0.02%, C
5Isoparaffin 65.98%.In the present embodiment promptly, get ethanol 6Kg, 2-hexanol 8Kg, methyl-n-butyl ketone 8Kg, limonene 12Kg, four triphenylphosphine platinum 20g, C
5Mix mutually behind the isoparaffin 65.98Kg, obtain the additive of 100Kg; Then, directly join in the liquid natural gas by weight 0.5%~1%, here, add with the ratio of weight ratio 1%, or join in the gas phase Sweet natural gas, can obtain required welding and cutting natural gas with same ratio.And show from reality test: above-mentioned additive joins prepared cutting-welding gas behind the liquid natural gas, and its combustion flame temperature can be up to 3190 ℃.And above-mentioned additive joins the cutting-welding gas that become behind the gas phase Sweet natural gas, and its combustion flame temperature is then up to 3310 ℃.If above-mentioned additive 0.7% joins in the liquid natural gas by weight, the combustion flame temperature of welding and cutting natural gas can reach 3130 ℃; Join in the gas phase Sweet natural gas with weight ratio 0.7%, the combustion flame temperature of welding and cutting natural gas is then up to 3250 ℃.
Embodiment 2, and present embodiment and the above-mentioned first embodiment difference are: the weight percent of each component is ethanol 5%, 2-hexanol 5%, methyl-n-butyl ketone 5%, limonene 10%, four triphenylphosphine platinum 0.06%, C
5Isoparaffin 74.94%.Promptly get ethanol 5Kg, 2-hexanol 5Kg, methyl-n-butyl ketone 5Kg, limonene 10Kg, four triphenylphosphine platinum 60g, C
5Mix mutually behind the isoparaffin 74.94Kg, obtain the additive of 100Kg; Then, 0.5% directly join in the liquid natural gas by weight, or join in the gas phase Sweet natural gas, just can obtain required welding and cutting natural gas with same ratio.Prove after tested: above-mentioned additive joins the cutting-welding gas combustion flame temperature that is become behind the liquid natural gas can be up to 2980 ℃.Above-mentioned additive joins the cutting-welding gas combustion flame temperature that become behind the gas phase Sweet natural gas then up to 3090 ℃.
Embodiment 3, and present embodiment and the above-mentioned first embodiment difference are: the weight percent of each component is ethanol 10%, 2-hexanol 10%, methyl-n-butyl ketone 10%, limonene 15%, four triphenylphosphine platinum 0.08%, C
5Isoparaffin 54.92%.Promptly get ethanol 10Kg, 2-hexanol 10Kg, methyl-n-butyl ketone 10Kg, limonene 15Kg, four triphenylphosphine platinum 80g, C
5Mix mutually behind the isoparaffin 54.92Kg, obtain the additive of 100Kg; Then, 0.8% directly join in the liquid natural gas by weight, or join in the gas phase Sweet natural gas, just can obtain required welding and cutting natural gas with same ratio.After tested as can be known: the cutting-welding gas that is become after above-mentioned additive joins liquid natural gas, its combustion flame temperature can be up to 3320 ℃.Above-mentioned additive joins the cutting-welding gas combustion flame temperature that become behind the gas phase Sweet natural gas then up to 3450 ℃.
Embodiment 4, present embodiment has increased the tetramethylene sulfide odorant on the component of above-mentioned first embodiment, at this moment, the weight percent of each component is: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, tetramethylene sulfide 1%, four triphenylphosphine platinum 0.02%, C
5Isoparaffin 64.98%.In the present embodiment promptly, get ethanol 6Kg, 2-hexanol 8Kg, methyl-n-butyl ketone 8Kg, limonene 12Kg, tetramethylene sulfide 1Kg, four triphenylphosphine platinum 20g, C
5Mix mutually behind the isoparaffin 64.98Kg, obtain the additive of 100Kg; Then, 1% directly join in the liquid natural gas by weight, or join in the gas phase Sweet natural gas, can obtain required welding and cutting natural gas with same ratio.And show from reality test: above-mentioned additive joins the cutting-welding gas that become behind the liquid natural gas, and its combustion flame temperature can be up to 3200 ℃.And above-mentioned additive joins the cutting-welding gas that become behind the gas phase Sweet natural gas, and its combustion flame temperature can be up to 3300 ℃.If above-mentioned additive 0.7% joins in the liquid natural gas by weight, the combustion flame temperature of welding and cutting natural gas can reach 3120 ℃, and same ratio joins in the gas phase Sweet natural gas, and the combustion flame temperature of welding and cutting natural gas can reach 3260 ℃.
Embodiment 5, and present embodiment and above-mentioned the 4th embodiment difference are: the weight percent of each component is ethanol 5%, 2-hexanol 5%, methyl-n-butyl ketone 5%, limonene 10%, tetramethylene sulfide 0.5%, four triphenylphosphine platinum 0.06%, C
5Isoparaffin 74.44%.Promptly get ethanol 5Kg, 2-hexanol 5Kg, methyl-n-butyl ketone 5Kg, limonene 10Kg, tetramethylene sulfide 0.5Kg, four triphenylphosphine platinum 60g, C
5Mix mutually behind the isoparaffin 74.44Kg, obtain the additive of 100Kg; Then, 0.5% directly join in the liquid natural gas by weight, or join in the gas phase Sweet natural gas, just can obtain required welding and cutting natural gas with same ratio.Prove after tested: above-mentioned additive joins the cutting-welding gas combustion flame temperature that is become behind the liquid natural gas can be up to 2960 ℃.Above-mentioned additive joins the cutting-welding gas combustion flame temperature that become behind the gas phase Sweet natural gas then up to 3080 ℃.
Embodiment 6, and present embodiment and above-mentioned the 4th embodiment difference are: the weight percent of each component is: ethanol 10%, 2-hexanol 10%, methyl-n-butyl ketone 10%, limonene 15%, tetramethylene sulfide 2%, four triphenylphosphine platinum 0.08%, C
5Isoparaffin 52.92%.Promptly get ethanol 10Kg, 2-hexanol 10Kg, methyl-n-butyl ketone 10Kg, limonene 15Kg, tetramethylene sulfide 2Kg, four triphenylphosphine platinum 80g, C
5Mix mutually behind the isoparaffin 52.92Kg, obtain the additive of 100Kg; Then, 0.8% directly join in the liquid natural gas by weight, or join in the gas phase Sweet natural gas, just can obtain required welding and cutting natural gas with same ratio.After tested as can be known: above-mentioned additive joins the cutting-welding gas that become behind the liquify natural gas, and its combustion flame temperature can be up to 3330 ℃.Above-mentioned additive joins the cutting-welding gas combustion flame temperature that become behind the gas phase Sweet natural gas then up to 3430 ℃.
Protection scope of the present invention is not limited to the foregoing description, in above-mentioned example, with C
5Isoparaffin is used C respectively
6Isoparaffin or C
7Isoparaffin substitutes, and perhaps uses C respectively
5Isoparaffin, C
6Isoparaffin, C
7The combination in twos of isoparaffin substitutes; Perhaps use C
5Isoparaffin and C
6Isoparaffin, C
7The combination of isoparaffin replaces.Four triphenylphosphine platinum are then with at least a replacement the in triphenylphosphine platinum chloride, diamino hexanaphthene RP-54780, dintrile phenyl platinum dichloride, Platinic chloride Virahol, quadrol platinum, the cyclooctadiene platinum; after each component mixes mutually; be 0.5%~1% directly to join in liquid phase or the gas phase Sweet natural gas with weight ratio again; show after tested; such welding and cutting natural gas has the combustion flame temperature of above-mentioned corresponding embodiment equally, the scope that the additive that therefore contains such component also belongs to the present invention to be protected.
Claims (4)
1. environment protection additive that is used for welding and cutting natural gas, it is characterized in that: this additive is by ethanol, 2-hexanol, methyl-n-butyl ketone, limonene, organic platinum and C
5-C
7Forming one of at least in the isoparaffin, and the weight percent of each component is: ethanol 5%-10%, 2-hexanol 5%-10%, methyl-n-butyl ketone 5%-10%, limonene 10%-15%, organic platinum 0.02%-0.08%, all the other are C
5-C
7In the isoparaffin one of at least, and described organic platinum is to be selected from least a in four triphenylphosphine platinum, triphenylphosphine platinum chloride, diamino hexanaphthene RP-54780, dintrile phenyl platinum dichloride, the quadrol platinum.
2. the environment protection additive that is used for welding and cutting natural gas according to claim 1 is characterized in that: the weight percent of described each component is: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, organic platinum 0.02%, the C of one of them at least
5-C
7Isoparaffin 65.98%.
3. environment protection additive that is used for welding and cutting natural gas, it is characterized in that: this additive is by ethanol, 2-hexanol, methyl-n-butyl ketone, limonene, organic platinum, tetramethylene sulfide and C
5-C
7Forming one of at least in the isoparaffin, and the weight percent of each component is: ethanol 5%-10%, 2-hexanol 5%-10%, methyl-n-butyl ketone 5%-10%, limonene 10%-15%, organic platinum 0.02%-0.08%, tetramethylene sulfide 0.5%-2%, all the other are C
5-C
7In the isoparaffin one of at least, and described organic platinum is to be selected from least a in four triphenylphosphine platinum, triphenylphosphine platinum chloride, diamino hexanaphthene RP-54780, dintrile phenyl platinum dichloride, the quadrol platinum.
4. the environment protection additive that is used for welding and cutting natural gas according to claim 3 is characterized in that: the weight percent of described each component is: ethanol 6%, 2-hexanol 8%, methyl-n-butyl ketone 8%, limonene 12%, organic platinum 0.02%, tetramethylene sulfide 1%, the C of one of them at least
5-C
7Isoparaffin 64.98%.
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CN2007100674926A CN101020849B (en) | 2007-03-15 | 2007-03-15 | Environment protection additive for welding and cutting natural gas |
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CN2007100674926A CN101020849B (en) | 2007-03-15 | 2007-03-15 | Environment protection additive for welding and cutting natural gas |
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CN101020849A CN101020849A (en) | 2007-08-22 |
CN101020849B true CN101020849B (en) | 2010-09-29 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102102042B (en) * | 2009-12-21 | 2013-12-18 | 颜克绳 | Preparation method of metal cutting gas for natural gas |
WO2011094943A1 (en) * | 2010-02-05 | 2011-08-11 | 秦皇岛远舟工业气体有限公司 | Natural gas additive used for cutting |
CN103146446B (en) * | 2013-04-01 | 2014-10-01 | 贵州纳斯新能源技术有限公司 | High-efficiency energy-saving natural gas additive and application thereof |
CN103497797A (en) * | 2013-10-08 | 2014-01-08 | 定远县和达商贸有限责任公司 | Low-temperature liquid-state synthetic welding and cutting gas |
CN103497799A (en) * | 2013-10-08 | 2014-01-08 | 定远县和达商贸有限责任公司 | High-energy welding and cutting gas |
CN103740429A (en) * | 2013-12-25 | 2014-04-23 | 孙中伟 | Natural gas synergist and preparation method thereof |
CN106566585A (en) * | 2016-11-10 | 2017-04-19 | 临沂大学 | Natural gas synergist |
CN109135856A (en) * | 2017-12-07 | 2019-01-04 | 江苏信驰能源科技有限公司 | A kind of natural gas leaking foul smell additive and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1206039A (en) * | 1997-07-18 | 1999-01-27 | 曾兆祥 | Acetylene substituting high-energy fuel gas and its additive |
CN1537925A (en) * | 2003-10-22 | 2004-10-20 | 贵州七星科技发展有限公司 | Safety environmental protection industrial welding cutting gas using matural gas as main raw material |
CN1923983A (en) * | 2005-09-03 | 2007-03-07 | 十堰德润佳业科技开发有限公司 | Combustion-supporting additive for improving natural gas flame temperature |
-
2007
- 2007-03-15 CN CN2007100674926A patent/CN101020849B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1206039A (en) * | 1997-07-18 | 1999-01-27 | 曾兆祥 | Acetylene substituting high-energy fuel gas and its additive |
CN1537925A (en) * | 2003-10-22 | 2004-10-20 | 贵州七星科技发展有限公司 | Safety environmental protection industrial welding cutting gas using matural gas as main raw material |
CN1923983A (en) * | 2005-09-03 | 2007-03-07 | 十堰德润佳业科技开发有限公司 | Combustion-supporting additive for improving natural gas flame temperature |
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